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Finding the Fourth Proportional to 620,149.80, 930,224.70 and 596,530.20

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Solution

The fourth proportional to 620,149.80, 930,224.70 and 596,530.20 is: 894,795.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,149.80 : 930,224.70 = 596,530.20 : x
  2. Step 2: Convert to fraction form
    620,149.80/930,224.70 = 596,530.20/x
  3. Step 3: Cross multiply
    620,149.80x = 930,224.70 × 596,530.20
  4. Step 4: Simplify right side
    620,149.80x = 554,907,126,335.94
  5. Step 5: Solve for x
    x = 554,907,126,335.94/620,149.80
  6. Step 6: Final answer
    x = 894,795.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.